Pretest 2-6 message variants on CRM-grounded synthetic panels. "which of these headlines will win"
Install
npx skills add indranilbanerjee/digital-marketing-pro --skill message-testnpx skills add indranilbanerjee/digital-marketing-pro --skill message-test -a claude-code -gnpx skills add indranilbanerjee/digital-marketing-pro --skill message-test -a codex -ggemini skills install https://github.com/indranilbanerjee/digital-marketing-pro.git --path skills/message-testgh skill install indranilbanerjee/digital-marketing-pro message-testgit clone --depth 1 https://github.com/indranilbanerjee/digital-marketing-pro /tmp/indranilbanerjee__digital-marketing-pro
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/indranilbanerjee__digital-marketing-pro/skills/message-test ~/.claude/skills/message-test # Claude Code
cp -R /tmp/indranilbanerjee__digital-marketing-pro/skills/message-test ~/.agents/skills/message-test # Codex, Cursor, Gemini CLI, Copilot, OpenCode